tbacktrace/2

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Predicate tbacktrace/2

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Availability::- use_module(library(threadutil)).(can be autoloaded)

[det]tbacktrace(+Thread)

[det]tbacktrace(+Thread, +Options)

Print a backtrace for Thread to the stream user_error of the calling thread. This is achieved by inserting an interrupt into Thread using call_in_thread/2. Options:

depth(+MaxFrames): Number of stack frames to show. Default is the current Prolog flag backtrace_depth or 20.

Other options are passed to get_prolog_backtrace/3.

bug: call_in_thread/2 may not process the event.